Monkey-wrench.



W. L. REUSCH.

V MONKEY WRENCH. APPLICATION FILED SEPT. 25.1908. RENEWED JAN. 31, 1910.

968,689. Patented Aug.30, 1910.

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Wm M- a/. 377. 1 mdax l WILLIAM L. REUSCI-I, OF YORKTON, SASKATCHEWAN, CANADA.

MONKEY-WRENCH.

Application filed September 25, 1908, Serial No. 454,819.

To all whom it may concern:

Be it known that I, IVILLIAM LoUIs REUsoH, of the town of Yorkton, in the Province of Saskatchewan, Canada, have invented certain new and useful Improvements in Monkey-Wrenches, of which the following is the specification.

My invention relates to monkey wrenches, and the object of the invention is to provide a simple, easily operated, and eflicient wrench, and it consists essentially of a stationary and a movable jaw; a handle; 0pposing bars interconnecting the handle and the stationary jaw; a central threaded shaft screwed into the movable jaw and having its one end rotatably mounted in the stationary jaw, and its other end extending beyond the handle and fitted with a thumb screw, the parts being arranged and constructed as hereinafter more particularly described.

Figure 1 is a plan view of the wrench complete, the jaws being shown closed. Fig. 2 is a view of the wrench when turned to a position at right angles to that shown in Fig. 1. F ig.- 3 is a longitudinal sectional View through the wrench in the plane denoted by the line X X, Fig. 2. Fig. 4 is an enlarged detailed side elevation of one portion of the stationary jaw, showing the manner in which the shaft and the bars are secured within it. Fig. 5 is a plan view as in Fig. 4. Fig. 6 is an enlarged vertical sectional view through the wrench in the plane denoted by the line Y Y, Fig. l, and looking in the direction of the arrow. Fig. 7 is a vertical sectional view through the wrench in the plane denoted by the line Z Z, and looking in the direction of the arrow.

In the drawings like characters of reference indicate corresponding parts in each figure.

1 represents the stationary jaw and 2 the movable jaw of the wrench. The jaw 1 is formed from two similar portions 1 1 which are held together by suitably placed rivets 3.

4 is the handle which is made of any convenient form having a ferrule 5 at one end and a bearing plate 6 at the other. The handle is made preferably of wood and is bored longitudinally and centrally at 7 for a purpose which will later appear, and has also rectangular openings 8 and 9 passing Specification of Letters Patent.

Patented Aug. 30, 1910. Renewed January 31, 1910. Serial No. 541,159.

longitudinally of it and to either side of .the center. I

10 andll are rectangular bars adapted to fit each with an end passing into the openings 8 and 9 where they are secured by rivets 12 passing through the ferrule 5. The bars are parallel and of equal length and have their extremities 13 and 14 slightly enlarged as best shown in Fig. 5. The portions 1 and 1 of the stationary jaw are both recessed at 15 and 16 the openings be ing formed so that they will register when the parts are closed together. The extremities 13 and 14 are designed to pass into the recesses where they are held tightly when the portions are brought together.

17 is a central screw-threaded shaft having its one end passing into and through the opening 7 and extending slightly beyond the end of the handle where it is supplied with a milled thumb disk or nut 18 which bears on the face of the plate 6. The milled thumb disk or nut is riveted at 19 or otherwise securely fastened to the shaft. The opposite end of the shaft is formed into a ball at 20, the ball being received within a spherical socket formed in the stationary jaw, there being half the socket formed in each part of the stationary jaw. In this way the shaft is secured to the stationary jaw by what is termed a ball and socket joint. The movable jaw 2 is bored longitudinally at 21 and threaded so as to receive the threaded shaft 17 which passes through it. To either side of the central opening are two opposing similar, rectangular openings 22 and 23 which pass longitudinally of the jaw and receive the bars 10 and 11 in such a manner that the jaw slides on the bars.

To operate the wrench it is only necessary to turn the milled thumb disk or nut 18 which causes the jaw to move backwardly and forwardly on the bars 10 and 11 as desired as it will be seen that the ball and socket joint allows the screw shaft to turn freely in the stationaryjaw. The stationary jaw is made from two pieces in order that the socket for the ball 20 and also the recesses 15 and 16 may be easily formed.

When the wrench is being constructed the shaft and the bars are fitted in position within one of the members of the stationary jaw and then the other member is placed over them and the two riveted together. By forming the extremities of the bars as described it is impossible for them to withdraw after the members of the stationary jaw are fastened together. However I desire that I be not restricted as to the precise manner in which the bars are secured either to the stationary jaw or to the handle, nor as to the precise formation of the ball and socket joint. This would work to equal advantage, as will appear, by making the end. of the shaft intoan enlarged cylindrical head and housing it within a corresponding cylindrical openin hat I claim as my invention is:

1. In a wrench the combination comprising a stationary jaw having a spherical socket formed therein; a handle with a central longitudinal bore; a threaded shaft having the one end passing into and through the handle and supplied beyond the end of the handle with a thumb disk, and the other formed into a ball designed to be received within the socket aforesaid; a pair of parallel bars secured to the jaw and to the handle, and a movable aw having a central and two longitudinal side openings, the central opening being threaded to receive the screw shaft and the side openings designed to admit the bars, as and for the purpose specified.

2. In a wrench the combination with the screw threaded shaft having its end formed into a ball, and the bars having their extremities enlarged, of a. stationary jaw formed from two similar complementary portions having formed in each opposing recesses, and centrally, hemispherical cavities, the recesses being adapted to receive and retain the extremities of the bars and the cavities to form a socket to receive the ball when the members are brought and secured together, as and for the purpose specified.

Signed at Yorkton, in the Province of Saskatchewan, this 4th day of August, 1908.

V. L. REUSCH.

Witnesses:

W. A. BOLAND, J. A. M. PATRICK. 

